This study analysis the digital library effectiveness based on the concepts of ‘Importance of Digital Library’; ‘Reading the Text’; Usefulness of Pictures and Graphics; Organization of Pages and Texts; Organization of Menus and Submenus and Other Links to other Important Website in the digital library web pages. Towards analyzing the digital library effective’s 520 questionnaires were administrated among the LIS professionals working in 22 State Universities, 28 Deemed Universities and 2 Central Universities of which 372 were responded and response rate is 71.54%. The results of the study were encouraging. The library professionals has realized the importance of digital library and identifies the organization of pages and text, menus and submenus must be helpful the users of the digital library. The study also indicates the importance of other library links.